Remove useless import
Remove useless import

Change-Id: I5925021c69883c4086e552389e987c7052ccb1cd
Signed-off-by: Julien Danjou <5c682c2d1ec4073e277f9ba9f4bdf07e5794dabe@danjou.info>

ntt-sic/python-keystoneclient,jamielennox/python-keystoneclient,sdpp/python-keystoneclient,metacloud/python-keystoneclient,citrix-openstack-build/python-keystoneclient,magic0704/python-keystoneclient,citrix-openstack-build/python-keystoneclient,metacloud/python-keystoneclient,ntt-sic/python-keystoneclient,darren-wang/ksc,Mercador/python-keystoneclient,ging/python-keystoneclient,darren-wang/ksc,Mercador/python-keystoneclient,magic0704/python-keystoneclient,klmitch/python-keystoneclient,ging/python-keystoneclient,sdpp/python-keystoneclient,ntt-sic/python-keystoneclient,jamielennox/python-keystoneclient,alexpilotti/python-keystoneclient,jamielennox/python-keystoneclient,klmitch/python-keystoneclient,citrix-openstack-build/python-keystoneclient,alexpilotti/python-keystoneclient